guile/libguile/pairs.c

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/* Copyright (C) 1995,1996 Free Software Foundation, Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this software; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
* Boston, MA 02111-1307 USA
*
* As a special exception, the Free Software Foundation gives permission
* for additional uses of the text contained in its release of GUILE.
*
* The exception is that, if you link the GUILE library with other files
* to produce an executable, this does not by itself cause the
* resulting executable to be covered by the GNU General Public License.
* Your use of that executable is in no way restricted on account of
* linking the GUILE library code into it.
*
* This exception does not however invalidate any other reasons why
* the executable file might be covered by the GNU General Public License.
*
* This exception applies only to the code released by the
* Free Software Foundation under the name GUILE. If you copy
* code from other Free Software Foundation releases into a copy of
* GUILE, as the General Public License permits, the exception does
* not apply to the code that you add in this way. To avoid misleading
* anyone as to the status of such modified files, you must delete
* this exception notice from them.
*
* If you write modifications of your own for GUILE, it is your choice
* whether to permit this exception to apply to your modifications.
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* If you do not wish that, delete this exception notice. */
/* Software engineering face-lift by Greg J. Badros, 11-Dec-1999,
gjb@cs.washington.edu, http://www.cs.washington.edu/homes/gjb */
#include <stdio.h>
#include "_scm.h"
#include "scm_validate.h"
/* {Pairs}
*/
SCM_DEFINE(scm_cons, "cons", 2, 0, 0,
(SCM x, SCM y),
"")
#define FUNC_NAME s_scm_cons
{
register SCM z;
SCM_NEWCELL (z);
SCM_SETCAR (z, x);
SCM_SETCDR (z, y);
return z;
}
#undef FUNC_NAME
SCM
scm_cons2 (SCM w, SCM x, SCM y)
{
register SCM z;
SCM_NEWCELL (z);
SCM_SETCAR (z, x);
SCM_SETCDR (z, y);
x = z;
SCM_NEWCELL (z);
SCM_SETCAR (z, w);
SCM_SETCDR (z, x);
return z;
}
SCM_DEFINE (scm_pair_p, "pair?", 1, 0, 0,
(SCM x),
"")
#define FUNC_NAME s_scm_pair_p
{
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if (SCM_IMP (x))
return SCM_BOOL_F;
return SCM_BOOL(SCM_CONSP (x));
}
#undef FUNC_NAME
SCM_DEFINE (scm_set_car_x, "set-car!", 2, 0, 0,
(SCM pair, SCM value),
"")
#define FUNC_NAME s_scm_set_car_x
{
SCM_VALIDATE_CONS(1,pair);
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SCM_SETCAR (pair, value);
return SCM_UNSPECIFIED;
}
#undef FUNC_NAME
SCM_DEFINE (scm_set_cdr_x, "set-cdr!", 2, 0, 0,
(SCM pair, SCM value),
"")
#define FUNC_NAME s_scm_set_cdr_x
{
SCM_VALIDATE_CONS(1,pair);
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SCM_SETCDR (pair, value);
return SCM_UNSPECIFIED;
}
#undef FUNC_NAME
* chars.c (scm_lowers, scm_uppers, scm_charnames, scm_charnums), eval.c (s_expression, s_test, s_body, s_bindings, s_variable, s_clauses, s_formals): Variables now const. * eval.c (promsmob): Now const. * macros.c (macrosmob): Now const. * smob.c (scm_newsmob): Smobfuns argument now points to const. (freecell, flob, bigob): Now const. * dynl.c (scm_make_argv_from_stringlist, scm_coerce_rostring), error.c (scm_error, scm_syserror, scm_syserror_msg, scm_num_overflow, scm_out_of_range, scm_wrong_type_arg, scm_memory_error, scm_misc_error, scm_wta), macros.c (scm_make_synt), feature.c (scm_add_feature), filesys.c (scm_input_waiting_p), gc.c (scm_gc_start, scm_igc, scm_must_malloc, scm_must_realloc), gsubr.c (scm_make_gsubr), numbers.c (scm_num2dbl, scm_two_doubles, scm_num2long, scm_num2long_long, scm_num2ulong), options.c (scm_options), posix.c (scm_convert_exec_args, environ_list_to_c), procs.c (scm_make_subr_opt, scm_make_subr), ramap.c (scm_ramapc), read.c (scm_flush_ws), socket.c (scm_sock_fd_to_port, scm_fill_sockaddr, scm_addr_vector), stime.c (setzone, restorezone, bdtime2c), strop.c (scm_i_index), strports.c (scm_mkstrport), symbols.c (scm_intern_obarray_soft, scm_intern_obarray, scm_intern, scm_intern0, scm_sysintern0_no_module_lookup, scm_sysintern, scm_sysintern0, scm_symbol_value0), unif.c (scm_aind, scm_shap2ra): Argument indicating calling subr, error message text, reason for error, symbol name or feature name are now pointer to const. * snarf.h (SCM_PROC, SCM_PROC1): String variables are now const. * procs.c (scm_init_iprocs): iproc argument now points to const. * pairs.c (cxrs): Now const. * chars.h, error.h, feature.h, filesys.h, gc.h, gsubr.h, macros.h, numbers.h, options.h, procs.h, ramap.h, read.h, smob.h, strports.h, symbols.h, unif.h: Update variable declarations and function prototypes for above changes. * dynl.c, dynl-dld.c, dynl-dl.c, dynl-shl.c (sysdep_dynl_link, sysdep_dynl_unlink, sysdep_dynl_func): Arguments FNAME, SUBR, and SYMB now point to const.
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static const scm_iproc cxrs[] =
{
{"car", 0},
{"cdr", 0},
{"caar", 0},
{"cadr", 0},
{"cdar", 0},
{"cddr", 0},
{"caaar", 0},
{"caadr", 0},
{"cadar", 0},
{"caddr", 0},
{"cdaar", 0},
{"cdadr", 0},
{"cddar", 0},
{"cdddr", 0},
{"caaaar", 0},
{"caaadr", 0},
{"caadar", 0},
{"caaddr", 0},
{"cadaar", 0},
{"cadadr", 0},
{"caddar", 0},
{"cadddr", 0},
{"cdaaar", 0},
{"cdaadr", 0},
{"cdadar", 0},
{"cdaddr", 0},
{"cddaar", 0},
{"cddadr", 0},
{"cdddar", 0},
{"cddddr", 0},
{0, 0}
};
void
scm_init_pairs ()
{
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scm_init_iprocs (cxrs, scm_tc7_cxr);
#include "pairs.x"
}